When you within a Scoring Form, you can navigate to the next scoring form by clicking on the drop-down option next to Scoring Form in the upper left corner.

Select a different Scoring Form to navigate directly to that form. 

See Also:

Note: This will not require you to have a TeamGenius account.  You will only need to enter your Name, Email and Access Key.  You will not be able to see other evaluators scores, only the scores and comments that you enter.